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// license:BSD-3-Clause
// copyright-holders:Stefan Jokisch
/*************************************************************************
Atari Orbit hardware
*************************************************************************/
#ifndef MAME_INCLUDES_ORBIT_H
#define MAME_INCLUDES_ORBIT_H
#pragma once
#include "machine/74259.h"
#include "machine/timer.h"
#include "sound/discrete.h"
#include "emupal.h"
#include "screen.h"
/* Discrete Sound Input Nodes */
#define ORBIT_NOTE_FREQ NODE_01
#define ORBIT_ANOTE1_AMP NODE_02
#define ORBIT_ANOTE2_AMP NODE_03
#define ORBIT_NOISE1_AMP NODE_04
#define ORBIT_NOISE2_AMP NODE_05
#define ORBIT_WARNING_EN NODE_06
#define ORBIT_NOISE_EN NODE_07
class orbit_state : public driver_device
{
public:
orbit_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_playfield_ram(*this, "playfield_ram"),
m_sprite_ram(*this, "sprite_ram"),
m_discrete(*this, "discrete"),
m_bg_tilemap(nullptr),
m_flip_screen(0),
m_latch(*this, "latch"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{ }
void orbit(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
private:
DECLARE_WRITE_LINE_MEMBER(coin_lockout_w);
DECLARE_WRITE8_MEMBER(playfield_w);
TILE_GET_INFO_MEMBER(get_tile_info);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(interrupt);
TIMER_CALLBACK_MEMBER(irq_off);
TIMER_DEVICE_CALLBACK_MEMBER(nmi_32v);
DECLARE_WRITE8_MEMBER(note_w);
DECLARE_WRITE8_MEMBER(note_amp_w);
DECLARE_WRITE8_MEMBER(noise_amp_w);
DECLARE_WRITE8_MEMBER(noise_rst_w);
void main_map(address_map &map);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void update_misc_flags(address_space &space, uint8_t val);
/* memory pointers */
required_shared_ptr<uint8_t> m_playfield_ram;
required_shared_ptr<uint8_t> m_sprite_ram;
required_device<discrete_sound_device> m_discrete;
/* video-related */
tilemap_t *m_bg_tilemap;
int m_flip_screen;
emu_timer *m_irq_off_timer;
/* devices */
required_device<f9334_device> m_latch;
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
};
/*----------- defined in audio/orbit.c -----------*/
DISCRETE_SOUND_EXTERN( orbit_discrete );
#endif // MAME_INCLUDES_ORBIT_H
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